How would this environment variable setting affect the installation?

During the installation of Oracle Database 11g, you do not set ORACLE_BASE explicitly. You selected theoption to create a database as part of the installation.How would this environment variable setting affect the installation?

A. The installation terminates with an error.

B. The installation proceeds with the default value without warnings and errors.

C. The installation proceeds with the default value but it would not be an OFA-compliant database.

D. The installation proceeds with the default value but a message would be generated in the alert log file.